dūn huáng wén xiàn : gēqǔ > rán
mùlù
yīngwénjièshì
  1. n.:  sudden,  off and,  on short notice,  turn (short) round,  unexpectedly,  all of a sudden
  2. adv.:  suddenly
fǎwénjièshì
  1. adv.  soudain